<?php

class UserIdentity extends CUserIdentity
{
	private $_id;
	
	public function authenticate()
	{
		$username=strtolower($this->username);
		$user=User1::model()->find('LOWER(username)=?',array($username));
		
		if ($user===null){
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		}else{
		if(!$user->validatePassword($this->password)){
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
			}else{
				$this->_id=$user->id;
				$this->username=$user->username;
				$this->errorCode=self::ERROR_NONE;
			}
		}
		return $this->errorCode==self::ERROR_NONE;
		
	}
	
	public function getId()
	{
		return $this->_id;
	}
}